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http://dx.doi.org/10.4491/KSEE.2013.35.3.200

Effect of Pretreated Seawater Quality on SDI in SWRO Desalination Process  

Son, Dong-Min (Department of Environmental Engineering, Pukyong National University)
Kang, Lim-Seok (Department of Environmental Engineering, Pukyong National University)
Publication Information
Journal of Korean Society of Environmental Engineers / v.35, no.3, 2013 , pp. 200-205 More about this Journal
Abstract
Pretreatment process is the critical step of RO (Reverse Osmosis) membrane desalination plant in order to prevent RO membrane fouling. The pretreatment as a key component of RO process must be designed to produce a constant and high quality RO feedwater which has low silt density index (SDI). This experiment was conducted to assess parameters affecting SDI value, such as pH, seawater turbidity, temperature, and coagulant dose. The experimental results indicated that the source seawater turbidity did cause little effects on SDI values of filtered water. The 0.45 um hydrophilic membrane was more appropriate than the hydrophobic membrane for measuring SDI. The SDI value was increased with decreasing pH under the condition of below pH 7.0. In addition, the water temperature significantly affected the SDI values, showing higher SDI value with lower water temperature.
Keywords
Pretreatment; SDI; Coagulation; Desalination; Reverse Osmosis;
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1 Chua, K. T., Hawlader, M. N. A. and Malek, A., "Pretreatment of seawater: results of pilot trials in Singapore," Desalination, 159, 225-243(2003).   DOI   ScienceOn
2 Ando, M., Ishiara, S., Iwahori, H. and Tada, N., "Peculiar or Unexpected Behavior of Silt Density Index of Pretreated Seawater for RO Desalination," Proceedings of IDA World Congress, Bahamas BAH03-071(2003).
3 Bates, W. T. and Cuozzo, R., Integrated membrane systems. Hydranautics Available from: http://www.membranes.com/ docs/papers/01_ims.pdf (accessed 17.05.08.)(2000).
4 Brehant, A., Bonnelye, V. and Perez, M., "Assessment of ultrafiltration as a pretreatment of reverse osmosis membranes for surface seawater desalination," Water Sci. Technol.: Water Supply, 3(5-6), 437-445(2003).
5 Mosset, A., Bonnelye, V., Petry, M. and Sanz, M. A., "The sensitivity of SDI analysis: from RO feed water to raw water," Desalination, 222, 17-23(2008).   DOI   ScienceOn
6 Standard Test Method for Silt Density Index (SDI) of water, D 4189-95 ASTM.
7 Wilf, M. and Bartels, C., "Integrated membrane desalination systems-current status and projected development," Hydranautics Available from: http://www.membranes.com/docs/papers/ New%20Folder/Abstract%20for%20Tianjin%20-%20Hydrana utics.pdf (accessed 17.05.08.)(2006).
8 Amirtharajah, A. and O'Melia, C. R., "Coagulation process: destabilization, mixing, and flocculation," In Water Quality and Treatment, 4th Ed., McGraw-Hill, NY(1990).
9 Kim, S., Lee, I. S., Kim, K. J., Shon, D. M. and Kang, L. S., "Dual media filtration and ultrafiltration as pretreatment options of low-turbidity seawater reverse osmosis processes," Desalination and Water Treatment., 33, 329-336(2011).   DOI
10 Wolf, P. H., Sivenns, S. and Monti, S., "UF membranes for RO desalination pretretment," Desalination, 182, 293-300 (2005).   DOI   ScienceOn
11 Bu-Rashid, K. A. and Czolkoss, W., "Pilot tests of multipore UF membrane at Addur SWRO desalination plant," Bahrain. Desalination, 203, 229-242(2007).   DOI   ScienceOn
12 Fritzmann, C., Wenberg, J., Wintgens, T. and Melin, T., "State- of-the-art of reverse osmosis desalination," Desalination, 216, 1-76(2007).   DOI   ScienceOn
13 Crittenden, J. C., Luft, P. J. and Hand, D. W., "Prediction of multicomponent adsorption equilibria in background mixtures of unknown composition," Water Res., 19(12), 1547-1548(1985).
14 Tipping, E. and Malcolm, R., "Aggregation of Aquatic Humic Substance," Chem. Geol., 15(4), 463(1981).
15 Hasson, D., Drak, A. and Semiat, R., "Inception of $CaSO_4$ scaling on RO membranes at various water recovery levels," Desalination 139, 73-81(2001).   DOI   ScienceOn
16 Rahardianto, A., Shih, W. Y., Lee, R. W. and Cohen, Y., "Diagnostic characterization of gypsum scale formation and control in RO membrane desalination of brackish water," J. Membr. Sci., 279, 655-668(2006).   DOI   ScienceOn
17 Alhadidi, A., Kemperman, A. J. B., Blankert, B., Schippers, J. C. and Wessling, W. G. J., "Silt Density Index and Modified Fouling Index relation, and effect of pressure, temperature and membrane resitance," Desalination, 273, 48-56(2011).   DOI   ScienceOn
18 Morris, J. K. and Knocke, W. R., "Temperature effects on the use of metal ion coagulants for water treatment," J. Am. Water Works Assoc., 76(3), 74-79(1984).
19 Lynn, C., "Hydrolysis of Inorganic Iron(III) satls," Chem. Rev., 84, 31-41(1984).   DOI
20 Hem, J. D. and Roverson, C. E., "Aluminum Hydrolysis Reaction and Products in Mildly Acidic Aqueous System," Chem. Modeling of Aqueous Syst. II, Proc., ACS Symposium Series, 416, 429-449(1990).
21 Kang, L. S. and Cleasby, J. L., "Temperature effects on flocculation kinetics using Fe(III) coagulant," J. Environ. Eng., ASCE, 121, 893-910(1995).   DOI   ScienceOn
22 Bonnelye, V., Sanz, M. A., Durand, J. -P., Plasse, L., Gueguen, F. and Mazounie, P., "Reverse osmosis on open intake seawater: pre-treatment strategy," Desalination, 167, 191-200 (2004).   DOI   ScienceOn
23 Reverter, J. A., Talo, S. and Alday, J., "Las Palmas III-the success story of brine staging," Desalination, 138, 207-217 (2001).   DOI   ScienceOn
24 Rybar, S., Vodnar, M., Vartolomei, F. L., Me´ndez, R. L. and Ruano, J. B. L., "Experience with Renewable Energy Source and SWRO Desalination in Gran Canaria," SP05-100. International Desalination Association World Congress. Available from: http://www.membranes.com/docs/papers/New%20Folder/Soslaires%20Canarias%20Desalination%20Plant.pdf (accessed 25.05.08.)(2005).